# 实训3-1
# 创建列表 market1 market2
turnover1 = [20, 80, 45, 35, 32, 75, 43]
turnover2 = [54, 34, 23, 54, 34]
turnover3 = turnover1 + turnover2
# 查询2月份的生鲜营业额
print(turnover3[1])
# 修改12月份数据
turnover3[-1] = 46
print(turnover3)